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How a Global Investment Firm Modernized Major Shareholding Disclosure with Full Lineage and Zero Missed Filings

The Client

A global asset management firm subject to major shareholding disclosure obligations across multiple regulatory regimes, this organization is required to report significant equity positions to regulators accurately, on time, and with full audit evidence. As the firm pursued a broader strategic data platform modernization, its legacy reporting infrastructure had become a critical dependency, poorly documented, reliant on a small number of key individuals, and increasingly misaligned with the firm’s new investment data architecture.

The Challenge

The firm’s major shareholding disclosure process was operating on infrastructure that was approaching end of life, with preparation logic that was poorly documented, key-person dependent, and entirely disconnected from the firm’s modern investment data platforms. Each reporting cycle carried increasing operational and regulatory risk as the scope of disclosure obligations continued to grow.

  • Legacy Infrastructure Dependency: Major shareholding regulatory reporting depended on data preparation processes running on retiring source systems, creating a ticking operational risk as those systems approached end of life.
  • Poor Documentation and Key-Person Risk: Preparation logic resided in an aging analytics tool that was poorly documented and understood by only a small number of individuals, making the reporting process fragile and difficult to change safely.
  • Disconnected from Strategic Platforms: The reporting pipeline was disconnected from the firm’s new strategic investment data platforms, creating a two-speed data architecture and preventing the firm from benefiting from its broader data investments.
  • Manual, Change-Resistant Processes: Manual and bespoke preparation processes made changes slow and error-prone, raising the risk of reporting errors and late regulatory filings as disclosure scope continued to expand.
  • Growing Operational Risk: Increasing disclosure scope and rising change volume each reporting cycle amplified the operational risk inherent in a fragile, undocumented legacy process.

The Impact

  • Live In production and stabilized in BAU.
  • 3 Phased releases delivered on schedule.
  • Full Lineage and audit trail on every figure.

The Solution

Hoonartek re-platformed the major shareholding reporting process onto the firm’s strategic investment data platforms, replacing legacy data preparation with automated, governed pipelines that source position, transaction, instrument, and portfolio data from the firm’s new strategic systems. The migration eliminated the dependency on retiring infrastructure and resolved the key-person risk that had previously made the process difficult to maintain or change.

Hoonartek validated results through a comprehensive parallel run, reconciling new pipeline outputs against the incumbent system and resolving every variance before cutover. The team structured delivery across three phased releases, absorbing a high volume of in-flight changes without missing a single go-live commitment. Hoonartek established full interface lineage throughout, and applied DevFac automated regression testing at each release so the team could validate changes quickly and confidently. The platform is now live in production, operating in steady-state BAU..

Key Benefits

  • Live in Production: Delivered through a structured parallel run and early-life support into steady-state BAU, with no disruption to regulatory filing obligations during transition.
  • Modernized, Resilient Reporting: Automated pipelines replace the fragile, key-person-dependent legacy preparation process, making the disclosure function maintainable, scalable, and change-ready.
  • Strategic Platform Alignment: Disclosure data is now sourced consistently from the firm’s new investment platforms, eliminating the two-speed data architecture and legacy infrastructure dependency.
  • Trusted, Reconciled Figures: Parallel-run validation and full interface lineage provide auditable evidence for every disclosed figure, satisfying regulatory scrutiny and internal governance requirements.
  • Change-Ready Delivery: Three phased releases absorbed significant change volume without missing a go-live date, demonstrating a delivery model that can keep pace with evolving disclosure requirements.

Industry

Financial Services

Region

United Kingdom

Company Size

~2,000+

Live

In production and stabilized through parallel run and early-life support.

3

Phased releases absorbing high change volume without missing go-live.

Full

Interface lineage and audit trail evidencing every disclosed figure.

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